Leenders, T. (2016). Amphibians of Costa Rica: A field guide. Comstock Publishing Associates, a division of Cornell University Press.
Chicago-Zitierstil (17. Ausg.)Leenders, Twan. Amphibians of Costa Rica: A Field Guide. Ithaca: Comstock Publishing Associates, a division of Cornell University Press, 2016.
MLA-Zitierstil (9. Ausg.)Leenders, Twan. Amphibians of Costa Rica: A Field Guide. Comstock Publishing Associates, a division of Cornell University Press, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.